许多老年人都为自己日渐增多的白发发愁,北京医院营养师李长平在接受记者采访时说,引起头发变白原因有很多,但摄取主食和肉蛋白量少导致的营养不良,是非常重要的因素。古人说,“发为血之余”,意思是说头发的生长与脱落、润泽与枯槁,主要依赖于肾脏精气之充衰,以及肝脏血液的濡 Many elderly people worry about their growing white hair. Li Changping, a nutritionist at Beijing Hospital, said in an interview that it is very important for many reasons to cause hair whiteness. However, it is very important that malnutrition caused by eating less staple foods and less meat protein is important factor. The ancients said that “hair is more than the blood,” means that the growth and loss of hair, moist and dry, mainly depends on the enrichment of kidney essence, and the blood of the liver